4r+-1=-13

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Solution for 4r+-1=-13 equation: 


Simplifying
4r + -1 = -13

Reorder the terms:
-1 + 4r = -13

Solving
-1 + 4r = -13

Solving for variable 'r'.

Move all terms containing r to the left, all other terms to the right.

Add '1' to each side of the equation.
-1 + 1 + 4r = -13 + 1

Combine like terms: -1 + 1 = 0
0 + 4r = -13 + 1
4r = -13 + 1

Combine like terms: -13 + 1 = -12
4r = -12

Divide each side by '4'.
r = -3

Simplifying
r = -3

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